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You are here: Home > Fertility & Trying to Conceive > Menstrual Cycle Days

Menstrual Cycle Day 28


What is happening internally?

The corpus luteum continues to release high amounts of progesterone to maintain the uterine lining until the placenta takes over. The zygote (fertilized egg) is increasing in size and growing larger every day. The amounts of hCG are increasing, and are high enough to result in a positive pregnancy test. If conception did not occur, the amount of progesterone being released begins to drop due to the corpus luteum dying. The lining may begin to slough off.

Outward symptoms:

Basal body temperatures remain high above the coverline and may even steadily rise higher. Cervix may be low, firm and closed, or slightly raised and softer. Cervical fluid is dry or it may become creamy. You may experience bloating or water retention. You may experience a headache. You may have to urinate frequently and may or may not experience food cravings/aversions and fatigue. If conception did not occur your basal body temperature may be dropping down due to the corpus luteum dying. Cervical fluid may be creamy to watery and tan in color. You may have water retention, headache, moodiness, spotting and cramps. You may have bleeding start making this day 1 of a new cycle.

Showing 1 - 10 out of 30 Comments
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Guest Mar 16, 2015 12:40:38 PM ET

Hi. i've been late for 15 days. me and my b/f had contact on feb 5, 2015, the last day of my period. i have a 28 day cycle. my next menstruation is due on march 2nd, but it's march 16, and there is no bleeding.

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sowmya Mar 6, 2015 04:30:48 AM ET

Hi. i did iui 10 days back. today is the 23rd day for me. i have pain like period pain. is their any chance of pregnancy?

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Guest Feb 26, 2015 08:22:27 PM ET

Hi. i am 29 yrs old. me and my hubby have been trying to conceive for 8 yrs now. i had menstruation on 2/10/15, and had sex on 2/23/2015. do you think i am pregnant? please, i need help badly. oh, i have an 8 year old daughter with my ex before.

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Guest Nov 28, 2014 02:53:39 PM ET

I am on cycle day 25 and the hpt was negative. implantation was supposed to be yesterday. i will wait and test in two days. the pregnancy test should be positive then, or on dec 1st. i have all the early pregnancy signs. what is my chance of being pregnant?

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Guest Nov 19, 2014 10:54:23 AM ET

I'm a 24 years and married 3 months now. i've been active during my fertile days, but yet still all my hpts turns out to be negative. can anyone help me with the reason for this? i'm so frustrated.

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Melissa Nov 9, 2014 10:50:57 PM ET

I'm trying for a second baby. i have been off the pill for two months. i tried a lot on the days of fertility. the last day of my 28 day cycle was on oct 14.

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Guest Nov 4, 2014 04:04:39 PM ET

Hi i am 24 years old. my lmp was on oct 22, and my cycle day is usually between 27 and 28 days. i had unprotected intercourse last night, and was wondering if that would/could result in me becoming pregnant.

Guest Feb 4, 2015 11:51:56 AM ET

Yes it could.

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Nicole Nov 4, 2014 03:56:35 AM ET

I'm on cycle day 28. i'm 3 days late for my period, as i usually only have 25 day cycles. i'm have cramping, sore breasts, bloating, i'm extra tired, and emotional. but, i tested negative yesterday. could i be pregnant, or can cycles suddenly change lengths?

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guest62 Oct 30, 2014 01:15:01 AM ET

I had my last period around oct 2nd or 3rd. i had contact with my hubby on oct 25th. it's oct 30th, and i have only cramps, but no bleeding. please confirm if this is a sign of pregnancy, or i will get my period in a few days?

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Guest Sep 10, 2014 01:53:16 PM ET

Hi i have been trying for two years and waiting for ivf. for the first time today, which is day 24 of my 29 day cycle, i have had brownish blood appear on my underwear. could this finally be implantation????

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